//:C14:Useful.h
// A class to reuse
#ifndef USEFUL_H__
#define USEFUL_H__

class X
{
    int i;
    public:
        X() { i = 0; }
        void set(int ii) { i = ii; }
        int read() const { return i; }
        int permute() { return i = i * 47; }
};
#endif
